19 lines
283 B
Python
19 lines
283 B
Python
n, m = input().split()
|
|
n = int(n)
|
|
m = int(m)
|
|
|
|
povoroti = 0
|
|
|
|
while n > 0 and m > 0:
|
|
if n == 2:
|
|
povoroti = povoroti + 2
|
|
elif n > 2 and m > 2:
|
|
povoroti = povoroti + 4
|
|
elif m == 2:
|
|
povoroti = povoroti + 3
|
|
|
|
n = n - 2
|
|
m = m - 2
|
|
|
|
print(povoroti)
|